# US 2019/0356454 A1 · System and Method for Using Semi-Orthogonal Multiple Access in Wireless Local Area Networks > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0356454 A1 - Document ID: US20190356454A1 - Status: Published application - Kind: A1 - Application number: 16/529,281 - Filed: 2019-08-01 - Published: 2019-11-21 - Earliest claimed: 2015-01-12 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Jun Zhu; Osama Aboul-Magd; Jung Hoon Suh; Meilu Lin - Web page: https://patentgrep.com/patent/US20190356454A1 ## CPC - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 1/0004: {applied to control information} - H04L 1/001: {applied to control information} - H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information} - H04L 27/3405: {Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power} - H04W 52/262: {taking into account adaptive modulation and coding [AMC] scheme} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/0473: {the resource being transmission power} - H04W 84/12: WLAN [Wireless Local Area Networks] - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A method for operating a transmitting device using semi-orthogonal multiple access (SOMA) in a wireless local area network (WLAN) includes determining a first quadrature amplitude modulation (QAM) bit allocation, a first coding rate, and a first SOMA group for a first receiving device and a second QAM bit allocation, a second coding rate, and a second SOMA group for a second receiving device in accordance with channel information associated with the first receiving device and the second receiving device, generating a frame including indicators of the first and second QAM bit allocations, the first and second coding rates, and the first and second SOMA groups, and sending the frame to the first receiving device and the second receiving device. ## Claims ### Claim at position 1 1-20. (canceled) ### Claim 21 A method for operating a transmitting device using semi-orthogonal multiple access (SOMA) in a wireless local area network (WLAN), the method comprising: generating, by the transmitting device, a frame including indicators, in accordance with channel information associated with a first receiving device and a second receiving device, of first and second quadrature amplitude modulation (QAM) bit allocations, first and second coding rates, and first and second SOMA groups, the generating the frame comprising, for each of the first and second SOMA groups: populating a respective power allocation field with a power allocation indicator for each receiving device associated with the SOMA group; and populating a respective modulation and coding scheme (MCS) field with a modulation and coding rate indicator for each receiving device associated with the SOMA group; and sending, by the transmitting device, the frame to the first receiving device and the second receiving device. ### Claim 22 (depends on 21) The method of claim 21, the generating the frame further comprising populating a SOMA indication (SI) field with a SI indicator. ### Claim 23 (depends on 21) The method of claim 21, the generating the frame further comprising populating a first station identifier field with a first station identifier for the first receiving device, and a second station identifier field with a second station identifier for the second receiving device. ### Claim 24 (depends on 21) The method of claim 21, the power allocation indicator in accordance with the channel information. ### Claim 25 (depends on 21) The method of claim 21, the generating the frame further comprising populating subcarrier group fields with at least one sub-channel index indicator for each SOMA group. ### Claim 26 (depends on 21) The method of claim 21, the generating the frame further comprising: populating a number of spatial streams (NSTS) field with an NSTS indicator indicating a number of spatial streams used to transmit the frame; and populating a bit level field with indicators of QAM bits associated with the first receiving device and the second receiving device. ### Claim 27 (depends on 21) The method of claim 21, the sending the frame further comprising sending the frame in a high efficiency signal B (HE-SIGB) portion of a packet preamble. ### Claim 28 (depends on 21) The method of claim 21, the generating the frame further comprising populating subcarrier group fields with at least one sub-channel index indicator for each SOMA group. ### Claim 29 A method for operating a first receiving device operating in a semi-orthogonal multiple access (SOMA) wireless local area network (WLAN), the method comprising: receiving, by the first receiving device, a frame having, in accordance with channel information associated with the first receiving device and a second receiving device, a first quadrature amplitude modulation (QAM) bit allocation, a first coding rate and a first SOMA group for the first receiving device, and a second QAM bit allocation, a second coding rate and a second SOMA group for the second receiving device, the frame comprising, for each of the first and second SOMA groups: a respective power allocation field with a power allocation indicator for each receiving device associated with the SOMA group; and a respective modulation and coding scheme (MCS) field with a modulation and coding rate indicator for each receiving device associated with the SOMA group; receiving, by the first receiving device, a QAM symbol; demapping, by the first receiving device, the QAM symbol in accordance with the first and second QAM bit allocations, thereby producing encoded data; decoding, by the first receiving device, the encoded data in accordance with the first and second coding rates, thereby producing decoded data; and processing, by the first receiving device, the decoded data. ### Claim 30 (depends on 29) The method of claim 29, the frame further comprising: a SOMA indication (SI) field with a SI indicator. ### Claim 31 (depends on 29) The method of claim 29, the frame further comprising: a first station identifier field with a first station identifier for the first receiving device, and a second station identifier field with a second station identifier for the second receiving device. ### Claim 32 (depends on 29) The method of claim 29, the frame further comprising: subcarrier group fields with at least one sub-channel index indicator for each SOMA group. ### Claim 33 (depends on 29) The method of claim 29, the frame further comprising: a number of spatial streams (NSTS) field with an NSTS indicator indicating a number of spatial streams used to transmit the frame; and a bit level field with indicators of QAM bits associated with the first receiving device and the second receiving device. ### Claim 34 A transmitting device comprising: a non-transitory memory storage comprising instructions; and one or more processors in communication with the non-transitory memory storage, wherein the one or more processors execute the instructions to: generate a frame including indicators, in accordance with channel information associated with a first receiving device and a second receiving device, of first and second quadrature amplitude modulation (QAM) bit allocations, first and second coding rates, and first and second SOMA groups, wherein the one or more processors executing the instructions to generate the frame comprises, for each of the first and second SOMA groups, the one or more processors executing the instructions to: populate a respective power allocation field with a power allocation indicator for each receiving device associated with the SOMA group; and populate a respective modulation and coding scheme (MCS) field with a modulation and coding rate indicator for each receiving device associated with the SOMA group; and send the frame to the first receiving device and the second receiving device. ### Claim 35 (depends on 34) The transmitting device of claim 34, wherein the one or more processors execute the instructions to populate a SOMA indication (SI) field of the frame with a SI indicator. ### Claim 36 (depends on 34) The transmitting device of claim 34, wherein the one or more processors execute the instructions to populate a first station identifier field with a first station identifier for the first receiving device, and a second station identifier field with a second station identifier for the second receiving device. ### Claim 37 (depends on 34) The transmitting device of claim 34, wherein the one or more processors execute the instructions to populate subcarrier group fields of the frame with at least one sub-channel index indicator for each SOMA group. ### Claim 38 (depends on 34) The transmitting device of claim 34, wherein the one or more processors execute the instructions to populate a number of spatial streams (NSTS) field of the frame with an NSTS indicator indicating a number of spatial streams used to transmit the frame, and populate a bit level field of the frame with indicators of QAM bits associated with the first receiving device and the second receiving device. ### Claim 39 (depends on 34) The transmitting device of claim 34, wherein the one or more processors executing the instructions to send the frame further comprises the one or more processors executing the instructions to send the frame in a high efficiency signal B (HE-SIGB) portion of a packet preamble. ### Claim 40 (depends on 34) The transmitting device of claim 34, wherein the one or more processors executing the instructions to generate the frame further comprises the one or more processors executing the instructions to populate subcarrier group fields with at least one sub-channel index indicator for each SOMA group.